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Forums
4hv.org :: Forums :: General Science and Electronics
4hv.org :: Forums :: General Science and Electronics
General Science and Electronics Forum
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What is this!?
HazzWold 1993
Tue Mar 09 2010, 07:29AM		 3 617 HazzWold 1993
Tue Mar 09 2010, 08:28AM
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Filter for my PWM
IamSmooth
Mon Mar 08 2010, 04:04AM		 8 787 IamSmooth
Tue Mar 09 2010, 03:37AM
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Strange light emission during opening of a letter Go to page: 1 2 3
Mates
Tue Aug 12 2008, 06:22AM		 24 2072 Proud Mary
Mon Mar 08 2010, 11:18PM
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Help locating noise source, horrible TV reception. Go to page: 1 2
Renesis
Sun Mar 07 2010, 10:46PM		 13 1212 Renesis
Mon Mar 08 2010, 07:15PM
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Induction heater waveform gets fuzzy
IamSmooth
Mon Mar 08 2010, 04:07AM		 1 429 IamSmooth
Mon Mar 08 2010, 04:07AM
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FULL BRIDGE PCB....Wanna take a look?
EEYORE
Sat Mar 06 2010, 09:19PM		 3 1713 EEYORE
Mon Mar 08 2010, 03:26AM
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IGBT Mystery Go to page: 1 2
brtaman
Thu Mar 04 2010, 10:54AM		 14 2022 brtaman
Sun Mar 07 2010, 03:43PM
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Is this a good scope? Go to page: 1 2
IamSmooth
Wed Mar 03 2010, 02:01AM		 18 2013 IamSmooth
Sun Mar 07 2010, 05:54AM
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How to test the vacuum on a vacuum tube? Go to page: 1 2
Arcstarter
Mon Mar 01 2010, 12:02AM		 12 1163 Conundrum
Sat Mar 06 2010, 02:57PM
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<Physics>Anti-strange matter created
Conundrum
Sat Mar 06 2010, 02:51PM		 1 454 Conundrum
Sat Mar 06 2010, 02:51PM
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Steve's 12kW boost
Henry H
Tue Feb 16 2010, 11:07PM		 5 1689 Steve Conner
Fri Mar 05 2010, 10:48AM
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Basic vaccum tube amp
dingo27
Mon Mar 01 2010, 02:10AM		 4 651 radiotech
Thu Mar 04 2010, 05:37AM
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Anemometer sensor types Go to page: 1 2
TheMerovingian
Mon Mar 01 2010, 12:16AM		 14 904 DivisionByZero
Thu Mar 04 2010, 03:14AM
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Help with circuit design Go to page: 1 2
IamSmooth
Wed Mar 03 2010, 04:11AM		 10 769 Steve Conner
Wed Mar 03 2010, 03:55PM
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measuring the speed of sound?
dmg
Tue Mar 02 2010, 12:03AM		 6 776 Bjørn
Wed Mar 03 2010, 12:17PM
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safely discharge large capacitors? Go to page: 1 2
dmg
Tue Feb 23 2010, 05:00AM		 18 1765 radiotech
Mon Mar 01 2010, 08:53PM
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Water in a vacuum
cduma
Sun Feb 28 2010, 11:10PM		 4 610 Renesis
Mon Mar 01 2010, 11:06AM
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relays Go to page: 1 2 3
IamSmooth
Fri Feb 26 2010, 04:14PM		 23 1216 radiotech
Sun Feb 28 2010, 04:30PM
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Ionization gauge and other vacuum stuff
Turkey9
Sun Feb 28 2010, 03:27AM		 2 420 Anonymous
Sun Feb 28 2010, 04:59AM
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Why do game systems have mosfets?
Arcstarter
Wed Feb 24 2010, 03:28AM		 3 632 101111
Wed Feb 24 2010, 09:14AM
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Odd 'ZVS' Mazzilli driver problems.
Arcstarter
Mon Feb 22 2010, 01:37AM		 1 434 Arcstarter
Mon Feb 22 2010, 01:37AM
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rear mount / flip mount / downward emitting SMD LEDs ... can't find them anywhere
hboy007
Sun Feb 21 2010, 03:20PM		 5 658 mikeselectricstuff
Mon Feb 22 2010, 12:05AM
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Am I using my oscilloscope correctly? Go to page: 1 2
hak8or
Sat Feb 13 2010, 07:15AM		 10 1142 hak8or
Fri Feb 19 2010, 05:55AM
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Identifieng CRT pins?
dmg
Thu Feb 18 2010, 03:44AM		 6 1221 dmg
Thu Feb 18 2010, 11:13PM
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Having problems with Denon amplifier.
Arcstarter
Thu Feb 11 2010, 05:18AM		 8 867 Arcstarter
Wed Feb 17 2010, 10:05PM
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